<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>

<span style="color:red">${requestScope.msg }</span>
<form action="login" method="post">
    账号<input type="text" name="username"/><br/>
    密码<input type="password" name="password"/><br/>
    <input type="submit" value="提交"/>
</form>



</body>
</html>